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Finding the Fourth Proportional to 339,955.20, 510,325.65 and 182,491.20

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Solution

The fourth proportional to 339,955.20, 510,325.65 and 182,491.20 is: 273,947.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,955.20 : 510,325.65 = 182,491.20 : x
  2. Step 2: Convert to fraction form
    339,955.20/510,325.65 = 182,491.20/x
  3. Step 3: Cross multiply
    339,955.20x = 510,325.65 × 182,491.20
  4. Step 4: Simplify right side
    339,955.20x = 93,129,940,259.28
  5. Step 5: Solve for x
    x = 93,129,940,259.28/339,955.20
  6. Step 6: Final answer
    x = 273,947.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.